Global Patent Index - EP 0547278 A1

EP 0547278 A1 19930623 - Explosive watergels based on protonized vinyl basic polymers.

Title (en)

Explosive watergels based on protonized vinyl basic polymers.

Title (de)

Wässrige Sprengstoffgele auf Basis von protonisierten basischen Vinylpolymeren.

Title (fr)

Gels aqueux explosifs à base de polymères de vinyle basiques protonisés.

Publication

EP 0547278 A1 19930623 (EN)

Application

EP 91500141 A 19911216

Priority

EP 91500141 A 19911216

Abstract (en)

The present invention relates to watergel explosive compositions which are constituted by water, oxidizing salts, sensitizers, natural occurring polymers, a crosslinker system and synthetic vinyl polymers which include amine or amide groups within their structure and the procedure to manufacture them. The attachement of protons to the hydrophilic functional groups of the synthetic vinyl polymer by adition of an acid during the explosive manufacturing process, gives rise to a polymer which exhibits higher solubility in the hydrogel oxidazing salt aqueous solution, which constitutes the objective of the present invention. This solubility enhancement is associated with lower processing times and consequently a reduction of production costs. By this method which is the object of the present invention, the degree of protonation required to obtain a soluble polymer or to increase solubility to a given extent, depending upon the basic polymer used, can be achieved.

IPC 1-7

B01J 19/06; C06B 23/00; C06B 47/14

IPC 8 full level

B01J 19/06 (2006.01); C06B 23/00 (2006.01); C06B 47/14 (2006.01)

CPC (source: EP)

B01J 19/06 (2013.01); C06B 23/001 (2013.01); C06B 47/14 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE ES FR

DOCDB simple family (publication)

EP 0547278 A1 19930623; PT 100382 A 19930630

DOCDB simple family (application)

EP 91500141 A 19911216; PT 10038292 A 19920413